package com.example.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import com.example.pojo.User;
import com.example.service.UserService;
import com.example.vo.SysResult;
import com.example.vo.SysResultData;

@RestController
@RequestMapping(value = "/user")
public class UserController {

    @Autowired
    private UserService userService;

    @RequestMapping(value = "/", method = RequestMethod.GET)
    public SysResult listUser() {
        SysResult result;
        try {
            List<User> list = userService.listAllUser();
            result = SysResultData.ok(list);
        } catch (Exception e) {
            result = SysResult.build(SysResult.STATUS_SERVER_ERROR);
        }
        return result;
    }

    @RequestMapping(value = "/{id}/", method = RequestMethod.GET)
    public SysResult getUser(@PathVariable Long id) {
        SysResult result;
        try {
            User user = userService.getUser(id);
            if (user != null) {
                result = SysResultData.ok(user);
            } else {
                result = SysResult.build(SysResult.STATUS_PARAMETER_ERROR, "用户不存在");
            }
        } catch (Exception e) {
            e.printStackTrace();
            result = SysResult.build(SysResult.STATUS_SERVER_ERROR);
        }
        return result;
    }


    @RequestMapping(value = "/", method = RequestMethod.PUT)
    public SysResult addUser(User user) {
        SysResult result;
        try {
            if (userService.saveUser(user)) {
                result = SysResult.ok();
            } else {
                result = SysResult.build(SysResult.STATUS_PARAMETER_ERROR, "用户已存在");
            }
        } catch (Exception e) {
            e.printStackTrace();
            result = SysResult.build(SysResult.STATUS_SERVER_ERROR);
        }
        return result;
    }

    @RequestMapping(value = "/{id}/", method = RequestMethod.DELETE)
    public SysResult delUser(@PathVariable Long id) {
        SysResult result;
        try {
            if (userService.deleteUser(id)) {
                result = SysResult.ok();
            } else {
                result = SysResult.build(SysResult.STATUS_PARAMETER_ERROR, "用户不存在");
            }
        } catch (Exception e) {
            e.printStackTrace();
            result = SysResult.build(SysResult.STATUS_SERVER_ERROR);
        }
        return result;
    }

    @RequestMapping(value = "/{id}/", method = RequestMethod.POST)
    public SysResult updateUser(User user) {
        SysResult result;
        try {
            if (userService.updateUser(user)) {
                result = SysResult.ok();
            } else {
                result = SysResult.build(SysResult.STATUS_PARAMETER_ERROR, "用户不存在");
            }
        } catch (Exception e) {
            e.printStackTrace();
            result = SysResult.build(SysResult.STATUS_SERVER_ERROR);
        }
        return result;
    }

}
